Question
Complete and balance the following reaction:
$ \mathrm{NH}_3+\mathrm{O}_2 \xrightarrow{\Delta} $
$ \mathrm{NH}_3+\mathrm{O}_2 \xrightarrow{\Delta} $
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| Group 1 | Group 2 | Group 17 | Group 18 |
| | | | D |
| | B | C | |
| A | | | E |